InChI=1/C18H23N3O4/c1-2-3-7-12(16(22)20-24)18(23)21-11-6-9-14(21)17-19-13-8-4-5-10-15(13)25-17/h4-5,8,10,12,14,24H,2-3,6-7,9,11H2,1H3,(H,20,22)/t12-,14+/m1/s1/f/h20H 3EDA0EDD2FB17A61